<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch">
      <el-form-item label="菜单名称" prop="menuName">
        <el-input
          v-model="queryParams.menuName"
          placeholder="请输入菜单名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="菜单状态" clearable size="small">
          <el-option
            v-for="dict in statusOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="cyan" icon="el-icon-search" size="mini" @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:menu:add']"
          >新增</el-button
        >
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="menuList"
      row-key="menuId"
      :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
    >
      <el-table-column
        prop="menuName"
        label="菜单名称"
        :show-overflow-tooltip="true"
        width="160"
      ></el-table-column>
      <el-table-column prop="icon" label="图标" align="center" width="100">
        <template slot-scope="scope">
          <svg-icon :icon-class="scope.row.icon" />
        </template>
      </el-table-column>
      <el-table-column prop="orderNum" label="排序" width="60"></el-table-column>
      <el-table-column
        prop="perms"
        label="权限标识"
        :show-overflow-tooltip="true"
      ></el-table-column>
      <el-table-column
        prop="component"
        label="组件路径"
        :show-overflow-tooltip="true"
      ></el-table-column>
      <el-table-column
        prop="status"
        label="状态"
        :formatter="statusFormat"
        width="80"
      ></el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:menu:edit']"
            >修改</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)"
            v-hasPermi="['system:menu:add']"
            >新增</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:menu:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改菜单对话框 -->
    <el-dialog
      :title="title"
      :visible.sync="open"
      width="600px"
      append-to-body
      :close-on-click-modal="false"
    >
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="24">
            <el-form-item label="上级菜单">
              <treeselect
                v-model="form.parentId"
                :options="menuOptions"
                :normalizer="normalizer"
                :show-count="true"
                placeholder="选择上级菜单"
              />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="菜单类型" prop="menuType">
              <el-radio-group v-model="form.menuType">
                <el-radio label="M">目录</el-radio>
                <el-radio label="C">菜单</el-radio>
                <el-radio label="F">按钮</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item v-if="form.menuType != 'F'" label="菜单图标">
              <el-popover
                placement="bottom-start"
                width="460"
                trigger="click"
                @show="$refs['iconSelect'].reset()"
              >
                <IconSelect ref="iconSelect" @selected="selected" />
                <el-input slot="reference" v-model="form.icon" placeholder="点击选择图标" readonly>
                  <svg-icon
                    v-if="form.icon"
                    slot="prefix"
                    :icon-class="form.icon"
                    class="el-input__icon"
                    style="height: 32px; width: 16px"
                  />
                  <i v-else slot="prefix" class="el-icon-search el-input__icon" />
                </el-input>
              </el-popover>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="菜单名称" prop="menuName">
              <el-input v-model="form.menuName" placeholder="请输入菜单名称" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="显示排序" prop="orderNum">
              <el-input-number v-model="form.orderNum" controls-position="right" :min="0" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="是否外链">
              <el-radio-group v-model="form.isFrame">
                <el-radio label="0">是</el-radio>
                <el-radio label="1">否</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="路由地址" prop="path">
              <el-input v-model="form.path" placeholder="请输入路由地址" />
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.menuType == 'C'">
            <el-form-item label="组件路径" prop="component">
              <el-input v-model="form.component" placeholder="请输入组件路径" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'M'" label="权限标识">
              <el-input v-model="form.perms" placeholder="请权限标识" maxlength="50" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="显示状态">
              <el-radio-group v-model="form.visible">
                <el-radio
                  v-for="dict in visibleOptions"
                  :key="dict.dictValue"
                  :label="dict.dictValue"
                  >{{ dict.dictLabel }}</el-radio
                >
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="菜单状态">
              <el-radio-group v-model="form.status">
                <el-radio
                  v-for="dict in statusOptions"
                  :key="dict.dictValue"
                  :label="dict.dictValue"
                  >{{ dict.dictLabel }}</el-radio
                >
              </el-radio-group>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listMenu, getMenu, delMenu, addMenu, updateMenu } from '@/api/system/menu'
import Treeselect from '@riophae/vue-treeselect'
import '@riophae/vue-treeselect/dist/vue-treeselect.css'
import IconSelect from '@/components/IconSelect'

export default {
  name: 'Menu',
  components: { Treeselect, IconSelect },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 菜单表格树数据
      menuList: [],
      // 菜单树选项
      menuOptions: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      // 显示状态数据字典
      visibleOptions: [],
      // 菜单状态数据字典
      statusOptions: [],
      // 查询参数
      queryParams: {
        menuName: undefined,
        visible: undefined,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        menuName: [{ required: true, message: '菜单名称不能为空', trigger: 'blur' }],
        orderNum: [{ required: true, message: '菜单顺序不能为空', trigger: 'blur' }],
        path: [{ required: true, message: '路由地址不能为空', trigger: 'blur' }],
      },
    }
  },
  created() {
    this.getList()
    this.getDicts('sys_show_hide').then((response) => {
      this.visibleOptions = response.data
    })
    this.getDicts('sys_normal_disable').then((response) => {
      this.statusOptions = response.data
    })
  },
  methods: {
    // 选择图标
    selected(name) {
      this.form.icon = name
    },
    /** 查询菜单列表 */
    getList() {
      this.loading = true
      listMenu(this.queryParams).then((response) => {
        console.log('1', this.handleTree(response.data, 'menuId'))
        this.menuList = this.handleTree(response.data, 'menuId')
        console.log('2', this.menuList)
        this.loading = false
      })
    },
    /** 转换菜单数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children
      }
      return {
        id: node.menuId,
        label: node.menuName,
        children: node.children,
      }
    },
    /** 查询菜单下拉树结构 */
    getTreeselect() {
      listMenu().then((response) => {
        this.menuOptions = []
        const menu = { menuId: 0, menuName: '主类目', children: [] }
        menu.children = this.handleTree(response.data, 'menuId')
        this.menuOptions.push(menu)
      })
    },
    // 显示状态字典翻译
    visibleFormat(row, column) {
      if (row.menuType == 'F') {
        return ''
      }
      return this.selectDictLabel(this.visibleOptions, row.visible)
    },
    // 菜单状态字典翻译
    statusFormat(row, column) {
      if (row.menuType == 'F') {
        return ''
      }
      return this.selectDictLabel(this.statusOptions, row.status)
    },
    // 取消按钮
    cancel() {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset() {
      this.form = {
        menuId: undefined,
        parentId: 0,
        menuName: undefined,
        icon: undefined,
        menuType: 'M',
        orderNum: undefined,
        isFrame: '1',
        visible: '0',
        status: '0',
      }
      this.resetForm('form')
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm('queryForm')
      this.handleQuery()
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset()
      this.getTreeselect()
      if (row != null && row.menuId) {
        this.form.parentId = row.menuId
      } else {
        this.form.parentId = 0
      }
      this.open = true
      this.title = '添加菜单'
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset()
      this.getTreeselect()
      getMenu(row.menuId).then((response) => {
        this.form = response.data
        this.open = true
        this.title = '修改菜单'
      })
    },
    /** 提交按钮 */
    submitForm: function () {
      this.$refs['form'].validate((valid) => {
        if (valid) {
          if (this.form.menuId != undefined) {
            updateMenu(this.form).then((response) => {
              if (response.code === 200) {
                this.msgSuccess('修改成功')
                this.open = false
                this.getList()
              }
            })
          } else {
            addMenu(this.form).then((response) => {
              if (response.code === 200) {
                this.msgSuccess('新增成功')
                this.open = false
                this.getList()
              }
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      this.$confirm('是否确认删除名称为"' + row.menuName + '"的数据项?', '警告', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning',
      })
        .then(function () {
          return delMenu(row.menuId)
        })
        .then(() => {
          this.getList()
          this.msgSuccess('删除成功')
        })
        .catch(function () {})
    },
  },
}
</script>
